(19)
(11) EP 4 320 138 A1

(12)

(43) Date of publication:
14.02.2024 Bulletin 2024/07

(21) Application number: 22721095.2

(22) Date of filing: 08.04.2022
(51) International Patent Classification (IPC): 
C07H 19/073(2006.01)
C07H 23/00(2006.01)
C07H 21/02(2006.01)
 C07H 19/173(2006.01)
C07H 21/04(2006.01)
(52) Cooperative Patent Classification (CPC):
C07H 19/173; C07H 19/073; C07H 23/00; C07H 21/04; C07H 21/02; Y02P 20/55
(86) International application number:
PCT/EP2022/059528
(87) International publication number:
WO 2022/214692 (13.10.2022 Gazette 2022/41)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(30) Priority: 09.04.2021 EP 21167583

(71) Applicant: Bachem Holding AG
4416 Bubendorf (CH)

(72) Inventors:
  • OKADA, Yohei
    Tokyo, Tokyo 183-0054 (JP)
  • SUZUKI, Hideaki
    Chigasaki Kanagawa, Kanagawa 253-0002 (JP)
  • LUTHER, Anatol
    4416 Bubendorf (CH)

(74) Representative: Ruttekolk, Ivo Robert 
Patentanwälte Isenbruck Bösl Hörschler PartG mbB Eastsite One Seckenheimer Landstraße 4
68163 Mannheim
68163 Mannheim (DE)

   


(54) PSEUDO SOLID PHASE PROTECTING GROUP AND METHODS FOR THE SYNTHESIS OF OLIGONUCLEOTIDES AND OLIGONUCLEOTIDE CONJUGATES